{"id":"CVE-2022-25327","aliases":["DEBIAN-CVE-2022-25327","EUVD-2022-0926","GHSA-8vwm-8vj8-rqjf","GHSA-p93v-m2r2-4387","GO-2022-0340","UBUNTU-CVE-2022-25327","openSUSE-SU-2024:11902-1"],"status":"published","title":"Local Denial of Service in fscrypt PAM module","description":"The PAM module for fscrypt doesn't adequately validate fscrypt metadata files, allowing users to create malicious metadata files that prevent other users from logging in. A local user can cause a denial of service by creating a fscrypt metadata file that prevents other users from logging into the system. We recommend upgrading to version 0.3.3 or above","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00114,"percentile":0.01507,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-255","CWE-276"],"published":"2022-02-25T11:00:14Z","modified":"2026-11-03T08:02:46Z","fixes":[{"ecosystem":"Go","package":"github.com/google/fscrypt","fixed_in":["0.3.3"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"fscrypt","fixed_in":["0.3.3-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"fscrypt","fixed_in":["0.3.3-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"fscrypt","fixed_in":["0.3.3-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/google/fscrypt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3.3"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/google/fscrypt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3.3"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"fscrypt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3.3-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"fscrypt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3.3-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"fscrypt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3.3-1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/google/fscrypt","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.3.3"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/google/fscrypt","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.3.3"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/google/fscrypt","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.3.3"}]}]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"fscrypt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.2.2-0ubuntu2","0.2.2-0ubuntu2.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"fscrypt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.2.4-2","0.2.5-1","0.2.5-2"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"fscrypt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3.3-1.1"}]}],"bundled":3}],"products":[{"vendor":"google","product":"fscrypt"},{"vendor":"google llc","product":"fscrypt"}],"references":[{"url":"https://github.com/google/fscrypt/pull/346","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-25327","tags":["advisory"]},{"url":"https://github.com/google/fscrypt/commit/91aa3ebf42032ca783c41f9ec25d885875f66ddb","tags":["web","fix"]},{"url":"https://github.com/advisories/GHSA-8vwm-8vj8-rqjf","tags":["advisory"]},{"url":"https://github.com/google/fscrypt/security/advisories/GHSA-p93v-m2r2-4387","tags":["web"]},{"url":"https://pkg.go.dev/vuln/GO-2022-0340","tags":["web"]},{"url":"https://github.com/advisories/GHSA-p93v-m2r2-4387"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/25xxx/CVE-2022-25327.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2022-25327","tags":["advisory"]},{"url":"https://github.com/google/fscrypt","tags":["package"]},{"url":"github.com/google/fscrypt","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2022-25327","tags":["report"]},{"url":"https://www.openwall.com/lists/oss-security/2022/02/24/1","tags":["report"]},{"url":"https://github.com/google/fscrypt/commit/1a47718420317f893831b0223153d56005d5b02b","tags":["report"]},{"url":"https://github.com/google/fscrypt/commit/74e870b7bd1585b4b509da47e0e75db66336e576","tags":["report"]},{"url":"https://github.com/google/fscrypt/commit/b44fbe71e1e93c47050322af51725bac997641e0","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-25327","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2022-25326","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-25327","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-25328","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2022-25327","title":"Local Denial of Service in fscrypt PAM module","description":"The PAM module for fscrypt doesn't adequately validate fscrypt metadata files, allowing users to create malicious metadata files that prevent other users from logging in. A local user can cause a denial of service by creating a fscrypt metadata file that prevents other users from logging into the system. We recommend upgrading to version 0.3.3 or above","status":"published","published":"2022-02-25T11:00:14.437Z","modified":"2025-04-21T13:56:22.478Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-255"],"updated_at":"2026-11-02T14:34:28.374916Z"}],"euvd":[{"id":"EUVD-2022-0926","description":"The PAM module for fscrypt doesn't adequately validate fscrypt metadata files, allowing users to create malicious metadata files that prevent other users from logging in. A local user can cause a denial of service by creating a fscrypt metadata file that prevents other users from logging into the system. We recommend upgrading to version 0.3.3 or above","status":"published","published":"2022-02-25T11:00:14Z","modified":"2025-04-21T13:56:22Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T20:52:18.663123Z"}],"ghsa":[{"id":"GHSA-8vwm-8vj8-rqjf","title":"User login denial of service in github.com/google/fscrypt","description":"The PAM module for fscrypt doesn't adequately validate fscrypt metadata files, allowing users to create malicious metadata files that prevent other users from logging in. A local user can cause a denial of service by creating a fscrypt metadata file that prevents other users from logging into the system. We recommend upgrading to version 0.3.3 or above","status":"published","published":"2022-02-26T00:00:44Z","modified":"2023-03-31T00:09:16Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T14:36:48.905887Z"},{"id":"GHSA-p93v-m2r2-4387","title":"Denial of service via insufficient metadata validation","description":"The PAM module for `fscrypt` through v0.3.2 doesn't adequately validate `fscrypt` metadata files, allowing users to create malicious metadata files that prevent other users from logging in. A local user can cause a denial of service by creating a `fscrypt` metadata file that prevents other users from logging into the system. We recommend upgrading to v0.3.3 or above.\n\nFor more details, see [CVE-2022-25327](https://www.cve.org/CVERecord?id=CVE-2022-25327).","status":"published","published":"2022-03-01T21:05:01Z","modified":"2026-06-08T16:00:34Z","updated_at":"2026-11-02T14:40:18.682012Z"}],"nvd":[{"id":"CVE-2022-25327","description":"The PAM module for fscrypt doesn't adequately validate fscrypt metadata files, allowing users to create malicious metadata files that prevent other users from logging in. A local user can cause a denial of service by creating a fscrypt metadata file that prevents other users from logging into the system. We recommend upgrading to version 0.3.3 or above","status":"published","published":"2022-02-25T11:15:08.06Z","modified":"2026-06-17T04:33:24.18Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-255","CWE-276"],"updated_at":"2026-11-02T14:07:12.711288Z"}],"osv":[{"id":"CVE-2022-25327","title":"Local Denial of Service in fscrypt PAM module","description":"The PAM module for fscrypt doesn't adequately validate fscrypt metadata files, allowing users to create malicious metadata files that prevent other users from logging in. A local user can cause a denial of service by creating a fscrypt metadata file that prevents other users from logging into the system. We recommend upgrading to version 0.3.3 or above","status":"published","published":"2022-02-25T11:00:14.437Z","modified":"2026-10-28T02:31:11.976342897Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-255"],"updated_at":"2026-11-02T15:44:24.758293Z"},{"id":"DEBIAN-CVE-2022-25327","description":"The PAM module for fscrypt doesn't adequately validate fscrypt metadata files, allowing users to create malicious metadata files that prevent other users from logging in. A local user can cause a denial of service by creating a fscrypt metadata file that prevents other users from logging into the system. We recommend upgrading to version 0.3.3 or above","status":"published","published":"2022-02-25T11:15:08.06Z","modified":"2026-11-03T08:02:46.160517862Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T08:24:39.643572Z"},{"id":"GHSA-8vwm-8vj8-rqjf","title":"User login denial of service in github.com/google/fscrypt","description":"The PAM module for fscrypt doesn't adequately validate fscrypt metadata files, allowing users to create malicious metadata files that prevent other users from logging in. A local user can cause a denial of service by creating a fscrypt metadata file that prevents other users from logging into the system. We recommend upgrading to version 0.3.3 or above","status":"published","published":"2022-02-26T00:00:44Z","modified":"2024-08-21T14:56:42.490471Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T15:46:42.78452Z"},{"id":"UBUNTU-CVE-2022-25327","description":"The PAM module for fscrypt doesn't adequately validate fscrypt metadata files, allowing users to create malicious metadata files that prevent other users from logging in. A local user can cause a denial of service by creating a fscrypt metadata file that prevents other users from logging into the system. We recommend upgrading to version 0.3.3 or above","status":"published","published":"2022-02-25T11:15:00Z","modified":"2025-10-24T04:53:32Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:53:53.13624Z"},{"id":"GHSA-p93v-m2r2-4387","title":"Denial of service via insufficient metadata validation","description":"The PAM module for `fscrypt` through v0.3.2 doesn't adequately validate `fscrypt` metadata files, allowing users to create malicious metadata files that prevent other users from logging in. A local user can cause a denial of service by creating a `fscrypt` metadata file that prevents other users from logging into the system. We recommend upgrading to v0.3.3 or above.\n\nFor more details, see [CVE-2022-25327](https://www.cve.org/CVERecord?id=CVE-2022-25327).","status":"published","published":"2022-03-01T21:05:01Z","modified":"2026-06-08T16:15:09.905787372Z","updated_at":"2026-11-02T15:46:52.891208Z"},{"id":"GO-2022-0340","title":"User login denial of service in github.com/google/fscrypt","description":"User login denial of service in github.com/google/fscrypt","status":"published","published":"2024-08-21T14:30:29Z","modified":"2026-03-03T04:50:07.897132Z","updated_at":"2026-11-02T15:47:00.604718Z"},{"id":"openSUSE-SU-2024:11902-1","title":"fscrypt-0.3.3-1.1 on GA media","description":"These are all security issues fixed in the fscrypt-0.3.3-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:04:30.05816Z","updated_at":"2026-11-02T16:58:35.485255Z"}]}}